69 (六九 roku kyū) is the numbers 6 and 9 combined, its Japanese pronunciation sounding like "rokku", thus being used as a wordplay for Rockman (ロックマン Rokkuman, Mega Man). Also, fans consider June 9 (6/9) the day of the Rockman franchise due to this. The number is used in some official Rockman related content:
- June 9 is the day the story of Mega Man 2 starts.
- 69 is the number in the license plate from the Support Car.
- Mr. Famous has a record of 69 consecutive NetBattle wins.
- The sell price of the Powered Buster in Power Stone 2 is 69000.
- 69 is used several times in a parody by Sakura in Secret File #18.